How do foreign policy beliefs affect German parliamentarians’ (MPs)
support for European integration? Despite important advances, the literature
has overlooked the effect of foreign policy beliefs on national representatives’
attitudes toward integration. This study provides a systematic investigation of
the role foreign policy beliefs play in shaping German MPs’ support for European
integration. I argue that given the complex and contentious character of
European integration politics MPs derive heuristic cues from their foreign policy
beliefs to form opinions on the desirability of integration. Using data from
an original survey conducted with members of the seventeenth German Bundestag,
I show that a belief in multilateralism increases support for European
integration while isolationist and hawkish foreign policy orientations decrease
support. These results indicate that support for European integration is not
merely determined by party ideology, electoral pressure or economic considerations,
but also has a psychological foundation shaped by politicians’ core
beliefs about how the world of international politics operates.
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